Nigel Havers, a wonderfully self-deprecating raconteur, tells a marvellous story against himself to explain why he is hitting the road with a brilliant new live show, Talking B*ll*cks. “People had asked me to do this sort of thing before, and I thought, ‘No no, no, I’m far too young’,” says the 73-year-old actor. “Then someone pointed out to me how old I actually was.